Mac (10000 programs)

Pros: Tests your observation skills. Well-hidden items. English and Russian versions.

Cons: Players have to start over for every death. No save system.

Pros: Integrates with iCal and Address Book. Launches reminders.

Cons: Limited use.

Pros: Competitive tower defense gameplay. Many troop and customization choices.

Cons: Derivative soundtrack. Simple graphics.